Aerospace CNC Machinist III — 5-Axis Prototyping

Jobtome; Huntington Beach (CA); On-site; USD 48,000 - 55,000; Full time

Job summary

Johnson Service Group is seeking a Machinist III to independently set up and operate advanced 3-, 4-, and 5-axis CNC machines. You will work on one-of-one and low-volume aerospace components using Inconel, titanium, and stainless steel, performing GD&T-driven verification and first-piece checks.

You will collaborate with Programming, Engineering, and Quality teams, applying conversational programming on Fanuc/Siemens controls and mentoring junior machinists as needed.

Qualifications

• High school diploma or equivalent.
• 5+ years of CNC machining experience in a precision manufacturing environment.
• Ability to independently set up and operate complex 3-, 4-, and 5-axis CNC machining centers with minimal supervision.
• Experience machining one-of-one, prototype, or low-volume, high-value components.
• Experience machining Inconel, titanium, stainless steel, copper, and/or other exotic alloys.
• Conversational programming experience using Fanuc and/or Siemens controls.
• Basic CAM experience using Mastercam, ESPRIT, CATIA, or comparable software.
• Experience working within an AS9100 or equivalent quality management system.
• Strong blueprint-reading skills and practical knowledge of GD&T.

Responsibilities

• Independently set up and operate complex 3-, 4-, and 5-axis CNC machining centers.
• Prove out setups for new or unproven components in collaboration with Programming and Engineering.
• Machine one-of-one, prototype, and low-volume flight hardware using various alloys.
• Perform conversational programming and edits using Fanuc and/or Siemens controls.
• Install and qualify fixtures, workholding, cutting tools, probes, and related setup components.
• Interpret engineering drawings, models, setup documentation, and GD&T requirements.
• Perform first-piece and in-process dimensional verification while monitoring tool wear and process stability.
• Troubleshoot machining, tooling, setup, and dimensional issues with cross-functional teams.
• Exercise stop-work authority when safety or equipment concerns arise.
• Provide technical guidance and mentorship to less-experienced machinists.

Skills

CNC machining

5-axis machining

GD&T

Blueprint reading

Quality systems

Education

High school diploma

Tools

Mastercam

ESPRIT

CATIA

Fanuc controls

Siemens controls

Job description

Johnson Service Group is seeking a Machinist III to independently set up and operate advanced 3-, 4-, and 5-axis CNC machines. You will work on one-of-one and low-volume aerospace components using Inconel, titanium, and stainless steel, performing GD&T-driven verification and first-piece checks.

You will collaborate with Programming, Engineering, and Quality teams, applying conversational programming on Fanuc/Siemens controls and mentoring junior machinists as needed.